Surname Холяк (Холяк 
, Holiak 
, Holjak 
) , in the world, is a rare last name. The last name Холяк is habitual in Croatia, where it is a rare surname, Canada, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Холяк | Kazakhstan, Russia, Ukraine |
| Holiak | Ukraine, Brazil, United States |
| Holjak | Croatia, Canada |